CN209982092U

CN209982092U - Potential energy recovery power generation air conditioning unit

Info

Publication number: CN209982092U
Application number: CN201921074123.4U
Authority: CN
Inventors: 李国斌
Original assignee: Hanrun United High-Tech Development (beijing) Co Ltd
Current assignee: Hanrun United High-Tech Development (beijing) Co Ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-01-21
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a potential energy recovery power generation air conditioning unit, which comprises a horizontal coaxial permanent magnet wind driven generator, a motor bolt, a gear speed change mechanism, a unit top plate, an air conditioning unit, a support bolt, a control module and a solid-state transformer, wherein the top of the air conditioning unit is fixedly provided with the unit top plate, air conditioning exhaust outlets are processed on two sides of the unit top plate, a fan exhaust cover is arranged on the air conditioning exhaust outlet, a support is arranged at the central position of the unit top plate through the support bolt, the device can reasonably utilize wind energy generated in the working process of the air conditioning exhaust fan to drive the operation of the generator impeller, then a rotor in the horizontal coaxial permanent magnet wind driven generator continuously cuts a magnetic induction line and generates alternating current, thereby reasonably utilizing the wind energy generated in the working process of the air conditioning unit, the purposes of energy conservation and environmental protection are achieved.

Description

Potential energy recovery power generation air conditioning unit

Technical Field

The utility model belongs to the technical field of a wind power generation equipment technique and specifically relates to a potential energy recovery electricity generation air conditioning unit.

Background

Wind energy is a new energy with great potential, is widely distributed in various regions and has high utilization rate, but is often limited by multiple factors such as seasons, geographical positions, climate and the like, so that strong uncertainty is presented.

At present, when an air conditioning unit normally works, cold air and hot air can generate a large amount of continuous, reliable and stable wind energy in the process of continuously exchanging indoors and outdoors, the wind energy is not fully utilized in real life and is continuously released into the atmosphere, and therefore the waste of potential energy of the wind energy is caused.

For the rational utilization of research wind energy on air conditioning unit to realize clean energy's maximize, the utility model provides a power generation air conditioning unit is retrieved to potential energy, this structure can make full use of air conditioning unit reach the purpose of electricity generation at the wind energy that the during operation produced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at the wind energy that produces in the make full use of air conditioning unit working process generates electricity, provides an efficient, of high quality potential energy recovery electricity generation air conditioning unit, its simple structure, reasonable in design.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

according to the utility model provides a technical scheme: the potential energy recovery power generation air conditioning unit comprises a horizontal coaxial permanent magnet wind driven generator, a motor bolt, a gear speed change mechanism, a unit top plate, an air conditioning unit, a support bolt, a control module and a solid-state transformer, wherein the unit top plate is fixedly mounted at the top of the air conditioning unit, air conditioning exhaust outlets are processed on two sides of the unit top plate, an exhaust fan cover is arranged on each air conditioning exhaust outlet, a support is mounted at the center of the unit top plate through the support bolt, the horizontal coaxial permanent magnet wind driven generator is fixed on the support through the motor bolt, the output end of the horizontal coaxial permanent magnet wind driven generator is connected with a lead wire, motor shafts are arranged at two ends of the axis of the horizontal coaxial permanent magnet wind driven generator, the outer side of each motor shaft is connected with a generator impeller through the gear speed change mechanism, and, The control module is connected with a power grid, the solid-state transformer comprises a three-phase fully-controlled rectifier, a DC/DC converter and a three-phase half-bridge inverter which are connected in sequence, the DC/DC converter comprises a low-voltage side capacitor, a single-phase full-bridge inverter, a high-frequency transformer, a single-phase bridge type full-control rectifier and a high-voltage side capacitor which are connected in sequence, the output end of the lead is the input end of the three-phase full-controlled rectifier, the output end of the three-phase half-bridge inverter is the input end of the power grid, a bleeder circuit is arranged between the lead and the three-phase fully-controlled rectifier, the bleeder circuit comprises three transient diodes, and a time relay is installed between the current leakage circuit and the grounding terminal, and the output end of the control module is electrically connected with the three-phase full-control rectifier, the single-phase full-bridge inverter, the single-phase bridge full-control rectifier and the three-phase half-bridge inverter respectively.

As a further improvement of the utility model, the three-phase full-controlled rectifier includes six power switch devices, single-phase full-bridge inverter includes four power switch devices and connects in parallel at the diode at power switch device both ends, single-phase bridge type full-controlled rectifier includes four power switch devices, three-phase half-bridge inverter includes six power switch devices and connects in parallel at the diode at power switch device both ends.

As a further improvement of the utility model, low pressure side electric capacity is located between three-phase full-controlled rectifier and the single-phase full-bridge inverter, high pressure side electric capacity is located between single-phase bridge type full-controlled rectifier and the three-phase half-bridge inverter.

As a further improvement, the internally mounted of air conditioning unit has the air conditioner exhaust fan, the air conditioner exhaust fan is located the air conditioner air exit under, air conditioner air exit, generator impeller and air conditioner exhaust fan axis are located same straight line.

As a further improvement of the utility model, the outer surface of the horizontal coaxial permanent magnet wind driven generator is uniformly provided with cooling fins.

As a further improvement, the air-cooled fin heat exchanger is installed on the casing of the air conditioning unit, and the hole grooves are formed in the air-cooled fin heat exchanger at equal intervals.

Compared with the prior art, the utility model, have following advantage:

1) the generator impeller is arranged on the air conditioning exhaust fan of the air conditioning unit, so that the wind energy generated in the working process of the air conditioning exhaust fan can be reasonably utilized to drive the generator impeller to operate, then the magnetic induction lines are continuously cut through the rotor in the horizontal coaxial permanent magnet wind driven generator, and alternating current is generated, so that the wind energy generated in the working process of the air conditioning unit is reasonably utilized, and the purposes of energy conservation and environmental protection are achieved;

2) the system adopts the structural design of a solid-state transformer, and the solid-state transformer is internally integrated with a three-phase fully-controlled rectifier, a low-voltage side capacitor, a single-phase full-bridge inverter, a high-frequency transformer, a single-phase bridge fully-controlled rectifier, a high-voltage side capacitor and a three-phase half-bridge inverter, so that the system volume and the cost can be obviously reduced, and the equipment utilization rate is improved;

3) the low-voltage side capacitor arranged between the three-phase fully-controlled rectifier and the single-phase full-bridge inverter and the high-voltage side capacitor arranged between the single-phase fully-controlled rectifier and the three-phase half-bridge inverter can discharge outwards when the system is in insufficient power supply or fails, so that the energy storage device can be used as a temporary energy storage device, can inhibit power fluctuation in a circuit and achieves the effect of maintaining the voltage of the circuit to be stable;

4) the leakage circuit and the time relay arranged between the lead and the three-phase fully-controlled rectifier can timely disconnect the three-phase power supply line to protect the device from being damaged when overvoltage or overcurrent occurs in the circuit, thereby greatly improving the safety of the circuit.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a schematic structural view of the horizontal coaxial permanent magnet wind power generator of the present invention.

Fig. 4 is a schematic diagram of the circuit connection of the present invention.

In the figure: 1. an air outlet of the air conditioner; 2. a support; 3. a horizontal coaxial permanent magnet wind generator; 4. a motor bolt; 5. a motor shaft; 6. a generator impeller; 7. a gear change mechanism; 8. an air conditioning exhaust fan; 9. a machine set top plate; 10. an air-cooled finned heat exchanger; 11. an air conditioning unit; 12. a fan guard; 13. a bracket bolt; 14. a heat sink; 15. a lead wire; 16. a bleeder circuit; 17. a three-phase fully-controlled rectifier; 18. a DC/DC converter; 19. a low-side capacitor; 20. a single-phase full-bridge inverter; 21. a high-frequency transformer; 22. a single-phase bridge type fully-controlled rectifier; 23. a high-voltage side capacitor; 24. a three-phase half-bridge inverter; 25. a power grid; 26. a control module; 27. a solid state transformer; 28. a time relay.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 4, a potential energy recovery power generation air conditioning unit comprises a horizontal coaxial permanent magnet wind driven generator 3, a motor bolt 4, a gear speed change mechanism 7, a unit top plate 9, an air conditioning unit 11, a support bolt 13, a control module 26 and a solid-state transformer 27, wherein the unit top plate 9 is fixedly installed at the top of the air conditioning unit 11, air conditioning exhaust outlets 1 are respectively processed at two sides of the unit top plate 9, an exhaust fan cover 12 is arranged on each air conditioning exhaust outlet 1, a support 2 is installed at the central position of the unit top plate 9 through the support bolt 13, the horizontal coaxial permanent magnet wind driven generator 3 is fixed on the support 2 through the motor bolt 4, an output end of the horizontal coaxial permanent magnet wind driven generator 3 is connected with a lead 15, two ends of the axis of the horizontal coaxial permanent magnet wind driven generator 3 are respectively provided with a motor shaft 5, the outer side of the motor shaft 5, the solid-state transformer 27 is respectively connected with the lead 15, the bleeder circuit 16, the control module 26 and the power grid 25, the solid-state transformer 27 comprises a three-phase fully-controlled rectifier 17, a DC/DC converter 18 and a three-phase half-bridge inverter 24 which are sequentially connected, the DC/DC converter 18 comprises a low-voltage side capacitor 19, a single-phase full-bridge inverter 20, a high-frequency transformer 21, a single-phase bridge fully-controlled rectifier 22 and a high-voltage side capacitor 23 which are sequentially connected, the output end of the lead 15 is the input end of the three-phase fully-controlled rectifier 17, the output end of the three-phase half-bridge inverter 24 is the input end of the power grid 25, the bleeder circuit 16 is arranged between the lead 15 and the three-phase fully-controlled rectifier 17, the bleeder circuit 16 comprises three transient diodes, a time relay 28 is arranged between the bleeder circuit 16 and the grounding terminal, the output end of, The single-phase full-bridge inverter 20, the single-phase bridge fully-controlled rectifier 22 and the three-phase half-bridge inverter 24 are electrically connected.

As shown in fig. 4, wherein the three-phase fully-controlled rectifier 17 includes six power switching devices, the single-phase full-bridge inverter 20 includes four power switching devices and diodes connected in parallel across the power switching devices, the single-phase bridge fully-controlled rectifier 22 includes four power switching devices, the three-phase half-bridge inverter 24 includes six power switching devices and diodes connected in parallel across the power switching devices, and the three-phase fully-controlled rectifier 17, the full-bridge inverter 20, the single-phase bridge fully-controlled rectifier 22 and the three-phase half-bridge inverter 24 are arranged to achieve bidirectional interconversion of direct current and alternating current in the whole circuit.

As shown in fig. 4, the low-side capacitor 19 is located between the three-phase fully-controlled rectifier 17 and the single-phase full-bridge inverter 20, and the high-side capacitor 23 is located between the single-phase fully-controlled rectifier 22 and the three-phase half-bridge inverter 24, and the low-side capacitor 19 and the high-side capacitor 23 can be used as a temporary energy storage device, and can also suppress power fluctuation in the circuit to maintain voltage stability.

As shown in fig. 1 and 2, wherein, the air conditioning unit 11 has an air conditioning exhaust fan 8 mounted inside, the air conditioning exhaust fan 8 is located under the air conditioning exhaust outlet 1, the axes of the air conditioning exhaust outlet 1, the generator impeller 6 and the air conditioning exhaust fan 8 are located on the same straight line, and the arrangement at this position can make the transmission efficiency of wind energy between the air conditioning exhaust fan 8 and the generator impeller 6 higher.

As shown in fig. 3, the outer surface of the horizontal coaxial permanent magnet wind power generator 3 is uniformly provided with cooling fins 14, and the cooling fins 14 are arranged to accelerate the removal of heat generated by the horizontal coaxial permanent magnet wind power generator 3 during continuous operation.

As shown in fig. 1, an air-cooled fin heat exchanger 10 is installed on a housing of the air conditioning unit 11, and holes and grooves are formed in the air-cooled fin heat exchanger 10 at equal intervals, so that convection of air and heat release in the air conditioning unit 11 can be better performed by installing the air-cooled fin heat exchanger 10.

It should be noted that, the utility model relates to a potential energy recovery electricity generation air conditioning unit, air conditioner exhaust fan 8 during operation, it is rotatory to drive generator impeller 6 through the air convection, then through the coupling connection of gear change mechanism 7 and generator impeller 6 and motor shaft 5 and the fixed connection between motor shaft 5 and the coaxial permanent magnet wind power generator 3 inner rotor of level, thereby make the rotor constantly cut the magnetic induction line and produce the alternating current, the alternating current that the coaxial permanent magnet wind power generator 3 of level sent converges into behind the low pressure alternating current generating line side through three-phase full-controlled rectifier 17 and single-phase full-bridge inverter 20, convert to the high pressure through high frequency transformer 21, finally merge into electric wire netting 25 through the effect of single-phase bridge type full-controlled rectifier 22 and three-phase half-bridge type inverter 24, control module 26 all adopts PWM control to single-phase full-bridge type inverter 20 and single-phase bridge type full-, The current double closed loop control strategy is combined with the synchronous phase-locked control technology to realize the same frequency and phase of the power grid current and the power grid voltage, and when overvoltage or overcurrent occurs in the circuit, the current leakage circuit 16 and the time relay 28 arranged between the lead 15 and the three-phase full-control rectifier 17 can cut off the three-phase power supply circuit in time to protect the device from being damaged, thereby greatly improving the safety of the circuit.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a potential energy recovery electricity generation air conditioning unit, includes coaxial permanent magnet wind power generator of level (3), motor bolt (4), gear speed change mechanism (7), unit roof (9), air conditioning unit (11), support bolt (13), control module (26) and solid state transformer (27), its characterized in that: the air conditioning unit is characterized in that a unit top plate (9) is fixedly mounted at the top of the air conditioning unit (11), air conditioning exhaust outlets (1) are machined on two sides of the unit top plate (9), an exhaust fan cover (12) is arranged on the air conditioning exhaust outlets (1), a support (2) is mounted at the center of the unit top plate (9) through a support bolt (13), a horizontal coaxial permanent magnet wind driven generator (3) is fixed on the support (2) through a motor bolt (4), a lead (15) is connected to the output end of the horizontal coaxial permanent magnet wind driven generator (3), a motor shaft (5) is arranged at two ends of the axis of the horizontal coaxial permanent magnet wind driven generator (3), a generator impeller (6) is connected to the outer side of the motor shaft (5) through a gear speed change mechanism (7), and a solid-state transformer (27) is connected with the lead (15), a current discharge circuit, The control module (26) is connected with a power grid (25), the solid-state transformer (27) comprises a three-phase fully-controlled rectifier (17), a DC/DC converter (18) and a three-phase half-bridge inverter (24) which are sequentially connected, the DC/DC converter (18) comprises a low-voltage side capacitor (19), a single-phase full-bridge inverter (20), a high-frequency transformer (21), a single-phase bridge fully-controlled rectifier (22) and a high-voltage side capacitor (23) which are sequentially connected, the output end of the lead (15) is the input end of the three-phase fully-controlled rectifier (17), the output end of the three-phase half-bridge inverter (24) is the input end of the power grid (25), a current leakage circuit (16) is arranged between the lead (15) and the three-phase fully-controlled rectifier (17), the current leakage circuit (16) comprises three transient diodes, and a time relay (28) is arranged between the current leakage, the output end of the control module (26) is respectively and electrically connected with the three-phase full-controlled rectifier (17), the single-phase full-bridge inverter (20), the single-phase bridge full-controlled rectifier (22) and the three-phase half-bridge inverter (24).

2. The air conditioning unit for potential energy recovery power generation according to claim 1, wherein: the three-phase full-control rectifier (17) comprises six power switching devices, the single-phase full-bridge inverter (20) comprises four power switching devices and diodes connected to two ends of the power switching devices in parallel, the single-phase bridge full-control rectifier (22) comprises four power switching devices, and the three-phase half-bridge inverter (24) comprises six power switching devices and diodes connected to two ends of the power switching devices in parallel.

3. The air conditioning unit for potential energy recovery power generation according to claim 1, wherein: the low-voltage side capacitor (19) is positioned between the three-phase fully-controlled rectifier (17) and the single-phase full-bridge inverter (20), and the high-voltage side capacitor (23) is positioned between the single-phase full-controlled rectifier (22) and the three-phase half-bridge inverter (24).

4. The air conditioning unit for potential energy recovery power generation according to claim 1, wherein: the internally mounted of air conditioning unit (11) has air conditioner exhaust fan (8), air conditioner exhaust fan (8) are located air conditioner air exit (1) under, air conditioner air exit (1), generator impeller (6) and air conditioner exhaust fan (8) axis are located collinear.

5. The air conditioning unit for potential energy recovery power generation according to claim 1, wherein: and the outer surface of the horizontal coaxial permanent magnet wind driven generator (3) is uniformly provided with cooling fins (14).

6. The air conditioning unit for potential energy recovery power generation according to claim 1, wherein: the air-cooled heat exchanger is characterized in that an air-cooled fin heat exchanger (10) is mounted on a shell of the air conditioning unit (11), and hole grooves are formed in the air-cooled fin heat exchanger (10) at equal intervals.